This document presents an analysis of a water resource management system for sustainable agricultural practices in Cachar, Assam, India. It begins with an introduction discussing the importance of effective water management strategies for optimizing water usage, mitigating environmental impact, and promoting long-term agricultural viability. It then reviews the existing irrigation projects in Cachar district and provides an introduction to the Sonai Irrigation Project. The document outlines the objectives, literature review conducted, materials and methods used, key calculations related to water usage and economic analysis, and the proposed methodology. It is aimed at developing recommendations for a comprehensive water resource management system for sustainable agriculture and water security.